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Ch 23: Ecology & Florida

About This Chapter

Use these video lessons to refresh your understanding of ecosystems, biogeochemical cycling, predator/prey relationships and biomes. Get specific information on Florida's ecosystems and the issues they face.

Ecology & Florida - Chapter Summary

Review information about Florida's ecosystems and how humans and natural events impact them. These lessons look at biogeochemical recycling, fossil fuels and long-term carbon storage. You'll learn about habitats, food chains, interspecific competition and ecological niches. Camouflage, warning coloration, mutualism and parasitism are among the topics discussed.

Other lessons look at population density, ecological success and how new species can change the ecological balance. All types of biomes are explored. After watching these lessons, you'll have stronger knowledge of topics including:

  • The phosphorus cycle
  • Acid rain
  • The carbon cycle
  • Levels of ecology
  • Energy flow in an ecosystem
  • Competitive exclusion and niche differentiation
  • Ecological succession
  • Biomes

You can watch our lessons anytime, on a computer, smartphone or tablet. The lessons average about five minutes in length, and, after watching them, you can evaluate your learning with a short multiple-choice quiz. If you answer a question incorrectly, we provide a video link right back to that part of the lesson. Still have questions? Our Ask-an-Expert feature makes it easy to get help.

15 Lessons in Chapter 23: Ecology & Florida
Test your knowledge with a 30-question chapter practice test
Biogeochemical Cycling and the Phosphorus Cycle

1. Biogeochemical Cycling and the Phosphorus Cycle

In this video lesson, we'll take a look at how elements large and small use other elements to grow. This is achieved through cycles. We'll look at macronutrients, trace elements and the biogeochemical and phosphorous cycles.

The Nitrogen Cycle, Acid Rain and Fossil Fuels

2. The Nitrogen Cycle, Acid Rain and Fossil Fuels

Do you know the difference between nitrite and nitrate? Do you have any clue how all the nitrogen in the atmosphere becomes usable? If you can't answer these questions, then you need to watch this lesson on the nitrogen cycle.

The Carbon Cycle and Long-Term Carbon Storage

3. The Carbon Cycle and Long-Term Carbon Storage

All living organisms have a role in the carbon cycle. Do you know you understand how humans, animals and plants use carbon? This lesson will introduce you to the carbon cycle and explain how it functions on a global scale.

The Environment, Levels of Ecology and Ecosystems

4. The Environment, Levels of Ecology and Ecosystems

Do you know the difference between an environment and an ecosystem? In this lesson, you'll find out what makes an environment, and what makes an ecosystem. You'll also learn what ecology is and some of the ways that scientists study ecology using organisms, populations, communities, ecosystems and even the entire biosphere.

Ecosystems, Habitats and Ecological Niches

5. Ecosystems, Habitats and Ecological Niches

Check out this video lesson to understand the many complex aspects of an ecosystem. See how animals live in habitats and survive amongst their surroundings.

Food Chains, Trophic Levels and Energy Flow in an Ecosystem

6. Food Chains, Trophic Levels and Energy Flow in an Ecosystem

In this lesson, you'll learn about food chains, food webs, and the different roles that organisms play in an ecosystem. You'll also learn about how energy flows through an ecosystem.

Interspecific Competition, Competitive Exclusion & Niche Differentiation

7. Interspecific Competition, Competitive Exclusion & Niche Differentiation

What happens when two similar species that consume the same resources occupy the same space? Interspecific competition, that's what! Watch our video lesson to learn about the outcomes of this ecological battle.

Predator/Prey Interactions, Camouflage, Mimicry & Warning Coloration

8. Predator/Prey Interactions, Camouflage, Mimicry & Warning Coloration

You probably know that skunks can be quite stinky, bees sting and monarch butterflies are pretty, but do you know why? This lesson will introduce you to the reasons why some animals look or act the way they do and how these things relate to the predator/prey relationship.

Symbiotic Relationships: Mutualism, Commensalism & Parasitism

9. Symbiotic Relationships: Mutualism, Commensalism & Parasitism

If your cat or dog has ever had fleas, you've witnessed symbiosis in action. In this lesson, learn the many types of symbiosis in biology, and how these relationships can have a positive, negative, or neutral effect on the individual species.

Populations: Density, Survivorship and Life Histories

10. Populations: Density, Survivorship and Life Histories

Have you ever wondered how biologists determine the populations of animals in a particular geographic area? Watch this video lesson to find out, and discover how scientists look at the survivorship and life histories of many different species.

Ecological Succession: From Pioneer to Climax Communities

11. Ecological Succession: From Pioneer to Climax Communities

Just as people grow and change so, too, do ecosystems. Watch this lesson to learn about ecological succession from the beginning stages of development to a community's ultimate destination, or climax.

How Introduced and Invasive Species Alter Ecological Balance

12. How Introduced and Invasive Species Alter Ecological Balance

What happens to your block when a new neighbor moves in? Something changes, right? Now think about that on an ecological scale: what happens to an environment when a new SPECIES moves in?

Biomes: Desert, Tropical Rainforest, Savanna, Coral Reefs & More

13. Biomes: Desert, Tropical Rainforest, Savanna, Coral Reefs & More

Take a trip around the world and learn all about different biomes. Why can you only find certain plants and animals in specific places? What are the most fertile climates on Earth? Watch on to answer these and other questions.

Biomes: Tundra, Taiga, Temperate Grassland, and Coastlines

14. Biomes: Tundra, Taiga, Temperate Grassland, and Coastlines

Take a trip with us in this lesson, starting in the Pacific Ocean, traveling across California through the Central Valley and up to the peaks of the Sierra Nevada mountains. We'll learn how oceans, elevation, and people can determine which types of biomes are found in different areas and check out the Earth's most massive and oldest organisms.

How Human Activities & Natural Factors Affect Florida's Ecosystems

15. How Human Activities & Natural Factors Affect Florida's Ecosystems

With nearly 20 million residents and millions of other visitors, Florida's human population leaves a massive impact on its environment. Sinkholes, swamps, citrus farming, and phosphate mining only further the effects.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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